NUTM1 and carcinoma: Gene rearrangements involving the NUT Midline Carcinoma Family Member 1 (NUTM1) gene (also known as Nuclear Protein in Testis or NUT) mapped to chromosome 15q14 have emerged as a reliable genetic marker for a highly lethal poorly differentiated carcinoma with strong predilection for mediastinal and sinonasal midline structures, mainly of children and young adults [1, 2].